20492090

素因数分解:

$2^1\times 5^1\times {\mathrm{1019}}^1\times {\mathrm{2011}}^1$

素因数の和:3037

約数の個数: 16

約数和(自身を含む): 36940320

約数和(自身を除く): 16448230

約数列:

[1, 2, 5, 10, 1019, 2011, 2038, 4022, 5095, 10055, 10190, 20110, 2049209, 4098418, 10246045, 20492090]

約数ペア:

[(1, 20492090), (2, 10246045), (5, 4098418), (10, 2049209), (1019, 20110), (2011, 10190), (2038, 10055), (4022, 5095)]